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submitted 8 months ago* (last edited 8 months ago) by 0x4E4F@lemmy.dbzer0.com to c/memes@lemmy.ml

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[–] homura1650@lemm.ee 4 points 8 months ago

There are still a lot of rather arbitrary decisions to make.

Is 4/pi inside or outside of the summation?

Is it (-1)^n+1 or (-1)^n with an additional negative sign in any of the other natural locations for it.

Is the e term outside of the fraction with a negative exponent, or part of the denominator.

Do you start with n=0 or n=1 (and adjust the terms inside the summation accordingly)

Did they expand (2n+1)^2?